These tephras have provided 2,625 horizons of known age within 200 stratigraphie sections to form a high-resolution spatial and temporal record of change.
This piece of text immediately lets me know that i will have to being doing some outside research throughout this paper. As most readers will not have a knowledge of what "tephras" are or what "stratigraphic sections" are. These terms appear to be dealing with geology and science as well.